Digital indicating pressure gage

Claim 1

A GAGE COMPRISING SPACED MEMBERS ONE OF WHICH MOVES RELATIVE TO THE OTHER PROPORTIONATELY IN RESPONSE TP PRESSURE, A CODE CHART CARRIED BY ONE OF THE MEMBERS HAVING A PLURALITY OF PARALLEL ROWS OF ELECTRICAL CONTACT CONDUCTIVE AREAS SPACED BY NON-CONDUCTIVE AREAS, IN WHICH ALL OF THE CONDUCTIVE AREAS IN EACH ROW ARE CONNECTED TOGETHER ELECTRICALLY, AND IN WHICH EACH OF SAID ROWS ARE DISPOSED IN THE DIRECTION OF RELATIVE MOVEMENT BETWEEN THE MEMBERS, A PLURALITY OF CONTACTS, ONE FOR EACH ROW, CARRIED BY THE OTHER MEMBER AND MOVABLE RELATIVELY OVER THEIR RESPECTIVE ROWS OF THE CHART, AND AN ELECTRIC CIRCUIT FOR EACH ROW OF CONDUCTIVE AREAS AND ITS CONTACT INCLUDING A CURRENT ACTUATED SIGNALLING DEVICE REMOTE FROM THE GAGE, SAID CONDUCTIVE AND NON-CONDUCTIVE AREAS BEING SO DISPOSED AS TO ESTABLISH SUCCESSIVELY DIFFERENT COMBINATIONS OF OPEN AND CLOSED CIRCUITS ON SUCCESSIVE UNIFORM INCREMENTS OF RELATIVE MOVEMENT BETWEEN THE MEMBERS FOR INDICATING THROUGH THE SIGNALLING DEVICES THE GAGE RESPONSE.